package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.exceptions.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.model.entity.*;
import com.atguigu.lease.model.enums.ItemType;
import com.atguigu.lease.web.admin.mapper.*;
import com.atguigu.lease.web.admin.service.*;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentDetailVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentItemVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentQueryVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentSubmitVo;
import com.atguigu.lease.web.admin.vo.fee.FeeValueVo;
import com.atguigu.lease.web.admin.vo.graph.GraphVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;

/**
 * @author liubo
 * @description 针对表【apartment_info(公寓信息表)】的数据库操作Service实现
 * @createDate 2023-07-24 15:48:00
 */
@Service
public class ApartmentInfoServiceImpl extends ServiceImpl<ApartmentInfoMapper, ApartmentInfo>
        implements ApartmentInfoService {

    @Autowired
    private ApartmentFacilityService apartmentFacilityService;

    @Autowired
    private ApartmentFeeValueService apartmentFeeValueService;

    @Autowired
    private ApartmentLabelService apartmentLabelService;

    @Autowired
    private GraphInfoService graphInfoService;

    @Autowired
    private ApartmentInfoMapper apartmentInfoMapper;

    @Autowired
    private ProvinceInfoService provinceInfoService;
    //城市和地区

    @Autowired
    private RoomInfoService roomInfoService;


    @Autowired
    private FacilityInfoMapper facilityInfoMapper;
    @Autowired
    private LabelInfoMapper labelInfoMapper;
    @Autowired
    private FeeValueMapper feeValueMapper;
    @Autowired
    private GraphInfoMapper graphInfoMapper;



    @Override
    public void customSaveOrUpdate(ApartmentSubmitVo apartmentSubmitVo) {
        //1.了解本次是更新还是保存
        boolean isUpdate = apartmentSubmitVo.getId()!=null;

        //进行查询
        ProvinceInfo provinceInfo = provinceInfoService.getById(apartmentSubmitVo.getProvinceId());
        apartmentSubmitVo.setProvinceName(provinceInfo.getName());

        //保存公寓数据
        //save()合适么？ 不合适，有可能是更新！！ saveOrUpdate
        //apartmentSubmitVo 合适不？ 能，因为service已经指定了类型！ ApartmentInfo vo多的属性也不会关注！！
        //vo -》 apartmentInfo
        saveOrUpdate(apartmentSubmitVo); //mybatis-plus
        Long apartmentId= apartmentSubmitVo.getId();

        //2. 如果是更新，先删除中间表（公寓标签，公寓配套，公寓杂费值，图片表）
        if (isUpdate){
            //更新，删除中间数据
            //公寓配套中间表
            LambdaQueryWrapper<ApartmentFacility> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(ApartmentFacility::getApartmentId,apartmentId);
            apartmentFacilityService.remove(lambdaQueryWrapper);
            //公寓杂费中间表
            LambdaQueryWrapper<ApartmentFeeValue> apartmentFeeValueLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentFeeValueLambdaQueryWrapper.eq(ApartmentFeeValue::getApartmentId,apartmentId);
            apartmentFeeValueService.remove(apartmentFeeValueLambdaQueryWrapper);
            //公寓标签中间表
            LambdaQueryWrapper<ApartmentLabel> apartmentLabelLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentLabelLambdaQueryWrapper.eq(ApartmentLabel::getApartmentId,apartmentId);
            apartmentLabelService.remove(apartmentLabelLambdaQueryWrapper);
            //公寓图片表 【图片表存公寓和房间的图片！ item_id 对应的数据id ， item_type表名是房间还是【公寓】！】
            LambdaQueryWrapper<GraphInfo> graphInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
            graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemType, ItemType.APARTMENT);
            graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemId,apartmentId);
            graphInfoService.remove(graphInfoLambdaQueryWrapper);
        }
        //3. 保存数据【公寓数据，其他的数据】
        //保存公寓和配套中间表
        List<Long> facilityInfoIds = apartmentSubmitVo.getFacilityInfoIds();
        if (!CollectionUtils.isEmpty(facilityInfoIds)){
            //如果前端传入了配套的id，进行批量中间表插入
            List<ApartmentFacility> facilities = new ArrayList<>(facilityInfoIds.size());
            for (Long facilityInfoId : facilityInfoIds) {
                ApartmentFacility apartmentFacility = ApartmentFacility.builder().facilityId(facilityInfoId).
                        apartmentId(apartmentId).build();
                facilities.add(apartmentFacility);
            }
            apartmentFacilityService.saveBatch(facilities);
        }

        //保存公寓和标签中间表
        List<Long> labelIds = apartmentSubmitVo.getLabelIds();
        if (!CollectionUtils.isEmpty(labelIds)){
            List<ApartmentLabel> apartmentLabels = new ArrayList<>(labelIds.size());
            for (Long labelId : labelIds) {
                ApartmentLabel apartmentLabel = ApartmentLabel.builder().labelId(labelId).apartmentId(apartmentId).build();
                apartmentLabels.add(apartmentLabel);
            }
            apartmentLabelService.saveBatch(apartmentLabels);
        }

        //保存公寓和杂费Value中间表
        List<Long> feeValueIds = apartmentSubmitVo.getFeeValueIds();

        //集合非空判断
        if (feeValueIds != null && feeValueIds.size() > 0 ){
            List<ApartmentFeeValue> apartmentFeeValues = new ArrayList<>(feeValueIds.size());
            for (Long feeValueId : feeValueIds) {
                ApartmentFeeValue apartmentFeeValue = ApartmentFeeValue.builder().feeValueId(feeValueId).apartmentId(apartmentId).build();
                apartmentFeeValues.add(apartmentFeeValue);
            }
            apartmentFeeValueService.saveBatch(apartmentFeeValues);
        }

        //保存公寓图片表数据
        //graphVo name url
        List<GraphVo> graphVoList = apartmentSubmitVo.getGraphVoList();
        if (!CollectionUtils.isEmpty(graphVoList)){
            //GraphInfo （id name url item_id item_type）
            List<GraphInfo> graphInfos = new ArrayList<>(graphVoList.size());
            for (GraphVo graphVo : graphVoList) {
                GraphInfo graphInfo = new GraphInfo();
                graphInfo.setName(graphVo.getName());
                graphInfo.setUrl(graphVo.getUrl());
                graphInfo.setItemId(apartmentId);
                graphInfo.setItemType(ItemType.APARTMENT);
                graphInfos.add(graphInfo);
            }
            graphInfoService.saveBatch(graphInfos);
        }

    }

    @Override
    public void customPage(IPage<ApartmentItemVo> page, ApartmentQueryVo queryVo) {
         apartmentInfoMapper.customPageQuery(page,queryVo);
    }

    @Override
    public ApartmentDetailVo customGetById(Long id) {
        //1.查询id对应公寓详情
        ApartmentInfo apartmentInfo = getById(id);
        //2.查询公寓id对应配套集合
        List<FacilityInfo> facilityInfoList = facilityInfoMapper.customQueryList(id);
        //3.查询公寓id对应标签集合
        List<LabelInfo> labelInfoList = labelInfoMapper.customQueryList(id);
        //4.查询公寓id对应图片集合
        List<GraphVo> graphVoList = graphInfoMapper.customQueryList(ItemType.APARTMENT,id);
        //5.查询公寓id对应的杂费集合
        List<FeeValueVo> feeValueVoList = feeValueMapper.customQueryList(id);

        //6.将结果合并到vo返回
        ApartmentDetailVo apartmentDetailVo = new ApartmentDetailVo();
        apartmentDetailVo.setFacilityInfoList(facilityInfoList);
        apartmentDetailVo.setGraphVoList(graphVoList);
        apartmentDetailVo.setFeeValueVoList(feeValueVoList);
        apartmentDetailVo.setLabelInfoList(labelInfoList);

        BeanUtils.copyProperties(apartmentInfo,apartmentDetailVo);

        return apartmentDetailVo;
    }

    @Override
    public void customRemoveById(Long id) {

        //先查询公寓有没有房间！ 有提示207
        LambdaQueryWrapper<RoomInfo> roomInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
        roomInfoLambdaQueryWrapper.eq(RoomInfo::getApartmentId,id);
        long count = roomInfoService.count(roomInfoLambdaQueryWrapper);
        if (count > 0){
            throw  new LeaseException(ResultCodeEnum.DELETE_ERROR);
        }
        //删除公寓信息
        removeById(id);
        //删除四个关系表数据库
        //删除图片 item_id  item_type
        LambdaQueryWrapper<GraphInfo> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(GraphInfo::getItemType,ItemType.APARTMENT);
        lambdaQueryWrapper.eq(GraphInfo::getItemId,id);
        graphInfoService.remove(lambdaQueryWrapper);
        //配套 apartment_id
        LambdaQueryWrapper<ApartmentFacility> apartmentFacilityLambdaQueryWrapper
                = new LambdaQueryWrapper<>();
        apartmentFacilityLambdaQueryWrapper.eq(ApartmentFacility::getApartmentId,id);
        apartmentFacilityService.remove(apartmentFacilityLambdaQueryWrapper);
        //标签
        LambdaQueryWrapper<ApartmentLabel> apartmentLabelLambdaQueryWrapper
                = new LambdaQueryWrapper<>();
        apartmentLabelLambdaQueryWrapper.eq(ApartmentLabel::getApartmentId,id);
        apartmentLabelService.remove(apartmentLabelLambdaQueryWrapper);
        //杂费
        LambdaQueryWrapper<ApartmentFeeValue> apartmentFeeValueLambdaQueryWrapper
                = new LambdaQueryWrapper<>();
        apartmentFeeValueLambdaQueryWrapper.eq(ApartmentFeeValue::getApartmentId,id);
        apartmentFeeValueService.remove(apartmentFeeValueLambdaQueryWrapper);
    }


}




